About block 909,523
Bitcoin block 909,523 was mined by SpiderPool on August 11, 2025 at 6:34 AM UTC, 4 min 9 s after block 909,522. That is faster than the 10-minute average the network aims for: blocks come in bursts because finding one is pure chance.
It confirmed 4,030 transactions in 1.99 MB (99.8% of the 4 million weight-unit limit). The median transaction paid 0.00 sat/vB, and all fees added up to 0.0134 BTC. With the 3.125 BTC subsidy of halving era 5, SpiderPool earned 3.1384 BTC for this block.
Block 909,523 is number 308 of 2,016 in difficulty epoch 451; 1,708 blocks remain until the next difficulty adjustment at block 911,231. The next halving is at block 1,050,000, 140,477 blocks after this one.
Its hash starts with 19 zeros: that is the proof of work, a number below the target that the whole network’s hashrate had to search for. SpiderPool found 56 blocks in the week before. Today the block has 65,317 confirmations, so it is settled beyond any practical doubt.